<div class="commonsearch-table">
    <form class="form-horizontal form-commonsearch nice-validator n-default" role="form" action="" novalidate="novalidate">
        <fieldset>
            <div class="row">
                <div class="form-group col-xs-12 col-sm-6 col-md-4 col-lg-3">

                    <button type="button" class="btn btn-primary">全部</button>
                    <button type="button" class="btn btn-primary">入驻企业</button>
                    <button type="button" class="btn btn-primary">付款单位</button>
                    <button type="button" class="btn btn-primary">供应商</button>
                </div>

            </div>
        </fieldset>

    </form>
</div>